buffer clearing for the c code. Changes to the python code. Working on getting a reasonable python FFI example in place.

FFI-tests/ffi_test.c

@@ -72,7 +72,8 @@ int main() {
             //printf("Path: %s\n", imagePath);
             
             // Visually proving that the bytes stored are the correct representation
-            print_ustr_bytes(imagePath);
+            //print_ustr_bytes(imagePath);
+            printf("Image: %s\n",imagePath);
 
             // Printing information about the hashes of the provided images
             uint64_t imageAhash = get_ahash(imagePath);
@@ -84,6 +85,7 @@ int main() {
             printf("phash: %llu \n", imagePhash);
             
             //cleanup
+            memset(imagePath,0,100);
             free(imagePath);
         }
     }
@@ -101,5 +103,6 @@ void print_ustr_bytes(const char str[]) {
         sprintf(&strBuf[i*4], "\\x%02X", str[i]);
     }
     printf("String: '%s' -> Bytes: '%s'\n" , str, strBuf);
+    memset(strBuf,0,strLen*4);
     free(strBuf);
 }

FFI-tests/ffi_test.py

@@ -1,7 +1,6 @@
 #!/usr/bin/env python3
 
 from ctypes import *
-from _ffi_test_py import ffi, lib
 
 large_image1_path = "test_images/sample_01_large.jpg".encode(encoding="utf-8")
 medium_image1_path = "test_images/sample_01_medium.jpg".encode(encoding="utf-8")
@@ -19,10 +18,13 @@ test_images=[large_image1_path, medium_image1_path, small_image1_path,large_imag
 
 def unsigned64(number):
 	#return c_ulonglong(number).value
-	return bin(number)
+	return c_ulonglong(number).value
 
 print("starting ffi test")
 
+# Load the shared library
+lib = cdll.LoadLibrary("libpihash.so")
+
 #initialize the library
 lib.init()
 
@@ -31,10 +33,10 @@ lib.init()
 #print('\\x'+'\\x'.join('{:02x}'.format(x) for x in large_image_path))
 
 for image in test_images:
-    print("Requesting hashes for:", image)
-    print("ahash:",unsigned64(lib.ext_get_ahash(image)))
-    print("dhash:",unsigned64(lib.ext_get_dhash(image)))
-    print("phash:",unsigned64(lib.ext_get_phash(image)))
+    print("Requesting hashes for: %s"% image)
+    print("ahash: %i"% lib.ext_get_ahash(image))
+    print("dhash: %i"% lib.ext_get_dhash(image))
+    print("phash: %i"% lib.ext_get_phash(image))
 
 # Do cleanup
 #lib.teardown()

FFI-tests/ffi_test_build.py

@@ -1,25 +0,0 @@
-#!/usr/bin/env python3
-
-# A simple test script to confirm the C FFI for the rust library is working
-
-from cffi import FFI
-ffi = FFI()
-
-ffi.set_source("_ffi_test_py"
-    ,"""
-    #include <stdint.h>
-    """
-    ,libraries=["pihash"]
-    ,library_dirs=["."]
-)
-
-ffi.cdef("""
-    void init();
-    void teardown();
-    uint64_t ext_get_ahash(const char *);
-    uint64_t ext_get_dhash(const char *);
-    uint64_t ext_get_phash(const char *);
-""")
-
-if __name__ == "__main__":
-    ffi.compile()